World's Best Scientists 2026 revealed!
John Robertson Crawford

John Robertson Crawford

D-Index & Metrics

Psychology

D-Index
84
Citations
38916
World Ranking
1210
National Ranking
144

John Robertson Crawford publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where John Robertson Crawford sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 213 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

John Robertson Crawford D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where John Robertson Crawford sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 84 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

John Robertson Crawford is affiliated with the University of Aberdeen in the United Kingdom. Their research focuses on the field of Medicine, with work spanning several subfields including Public Health, Environmental and Occupational Health, Clinical Psychology, and Pathology and Forensic Medicine.

Their published research explores topics related to Spinal Dysraphism and Malformations, Family and Disability Support Research, and Spinal Cord Injury Research. These themes underscore the clinical and public health dimensions present in their work.

John R. Crawford's recent papers include the following titles:

  • A Threshold Test for Fed Activism, 2024, published in SSRN Electronic Journal
  • Unilateral Task, Bilateral Response: An Acquired Movement Disorder in a Child With Chiari Malformation Type III and Syringomyelia, 2025, published in Annals of the Child Neurology Society

The researcher has collaborated with a number of co-authors, among whom are:

  • Gregory Aaen
  • Nicholas S. Abend
  • Laura Ann Adang
  • Amina Ahmed
  • Ayse Akcan-Arikan

Their work has appeared in multiple publication venues, notable among them:

  • SSRN Electronic Journal
  • Annals of the Child Neurology Society

Best Publications

  • The short-form version of the Depression Anxiety Stress Scales (DASS-21): Construct validity and normative data in a large non-clinical sample

    J. D. Henry;John Robertson Crawford

  • The positive and negative affect schedule (PANAS): construct validity, measurement properties and normative data in a large non-clinical sample.

    John Robertson Crawford;J. D. Henry

  • The Depression Anxiety Stress Scales (DASS): Normative data and latent structure in a large non-clinical sample

    John Robertson Crawford;J. D. Henry

  • Comparing an individual's test score against norms derived from small samples.

    John R. Crawford;David C. Howell

  • Investigation of the single case in neuropsychology: confidence limits on the abnormality of test scores and test score differences.

    John Robertson Crawford;P. H. Garthwaite

  • Normative data for the HADS from a large non-clinical sample

    J. R. Crawford;J. D. Henry;C. Crombie;E. P. Taylor

  • Verbal fluency performance in dementia of the Alzheimer's type: a meta-analysis.

    Julie D Henry;John R Crawford;Louise H Phillips

  • A meta-analytic review of verbal fluency performance following focal cortical lesions.

    J. D. Henry;John Robertson Crawford

  • A meta-analytic review of prospective memory and aging.

    Julie D. Henry;Mairi S. MacLeod;Louise H. Phillips;John R. Crawford

  • Psychometric comparison of PHQ-9 and HADS for measuring depression severity in primary care

    Isobel Mary Cameron;John Robertson Crawford;Kenneth Lawton;Ian Cameron Reid

  • The Stability of Individual Differences in Mental Ability from Childhood to Old Age: Follow-up of the 1932 Scottish Mental Survey

    Ian J Deary;Lawrence J Whalley;Helen Lemmon;J.R Crawford

  • Point and interval estimates of effect sizes for the case-controls design in neuropsychology: rationale, methods, implementations, and proposed reporting standards.

    John R Crawford;Paul H Garthwaite;Sara Porter

  • Testing for suspected impairments and dissociations in single-case studies in neuropsychology: evaluation of alternatives using monte carlo simulations and revised tests for dissociations.

    John Robertson Crawford;P. H. Garthwaite

  • The Prospective and Retrospective Memory Questionnaire (PRMQ): Normative data and latent structure in a large non-clinical sample.

    John R Crawford;Geoff Smith;Elizabeth A Maylor;Sergio Della Sala

  • Verbal fluency deficits in Parkinson's disease: a meta-analysis.

    J. D. Henry;John Robertson Crawford

  • Percentile Norms and Accompanying Interval Estimates from an Australian General Adult Population Sample for Self-Report Mood Scales (BAI, BDI, CRSD, CES-D, DASS, DASS-21, STAI-X, STAI-Y, SRDS, and SRAS)

    John Crawford;Carol Cayley;Peter F Lovibond;Peter H Wilson

  • The health of a nation predicts their mate preferences: cross-cultural variation in women's preferences for masculinized male faces

    Lisa M. DeBruine;Benedict C. Jones;John R. Crawford;Lisa L. M. Welling

  • Neuropsychological Impairments and Changes in Emotional and Social Behaviour Following Severe Traumatic Brain Injury

    Maarten Milders;Sandra Fuchs;John R. Crawford

  • Comparison of a single case to a control or normative sample in neuropsychology: development of a Bayesian approach.

    John Robertson Crawford;Paul H. Garthwaite

  • A meta-analytic review of verbal fluency performance in patients with traumatic brain injury.

    J. D. Henry;John Robertson Crawford

  • A meta-analytic review of verbal fluency deficits in schizophrenia relative to other neurocognitive deficits.

    J. D. Henry;John Robertson Crawford

Frequent Co-Authors

Paul H. Garthwaite
Paul H. Garthwaite The Open University
Julie D. Henry
Julie D. Henry University of Queensland
Klaus P. Ebmeier
Klaus P. Ebmeier University of Oxford
Ian J. Deary
Ian J. Deary University of Edinburgh
Louise H. Phillips
Louise H. Phillips University of Aberdeen
Lawrence J. Whalley
Lawrence J. Whalley University of Aberdeen
Sergio Della Sala
Sergio Della Sala University of Edinburgh
Keith R. Laws
Keith R. Laws University of Hertfordshire
Ian H. Robertson
Ian H. Robertson Trinity College Dublin
John M. Starr
John M. Starr University of Edinburgh

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